org.apache.ratis.server

接口 RaftServerConfigKeys.Log

封闭接口:

RaftServerConfigKeys

public static interface RaftServerConfigKeys.Log

嵌套类概要

嵌套类

限定符和类型	接口和说明
static interface	RaftServerConfigKeys.Log.Appender
static class	RaftServerConfigKeys.Log.CorruptionPolicy The policy to handle corrupted raft log.
static interface	RaftServerConfigKeys.Log.StateMachineData

字段概要

字段

限定符和类型	字段和说明
static boolean	ASYNC_FLUSH_ENABLED_DEFAULT
static String	ASYNC_FLUSH_ENABLED_KEY Async-flush will increase flush index until the actual flush has completed.
static RaftServerConfigKeys.Log.CorruptionPolicy	CORRUPTION_POLICY_DEFAULT
static String	CORRUPTION_POLICY_KEY
static int	FORCE_SYNC_NUM_DEFAULT
static String	FORCE_SYNC_NUM_KEY
static boolean	LOG_METADATA_ENABLED_DEFAULT
static String	LOG_METADATA_ENABLED_KEY Log metadata can guarantee that a server can recover commit index and state machine even if a majority of servers are dead by consuming a little extra space.
static SizeInBytes	PREALLOCATED_SIZE_DEFAULT
static String	PREALLOCATED_SIZE_KEY
static String	PREFIX
static int	PURGE_GAP_DEFAULT
static String	PURGE_GAP_KEY
static long	PURGE_PRESERVATION_LOG_NUM_DEFAULT
static String	PURGE_PRESERVATION_LOG_NUM_KEY
static boolean	PURGE_UPTO_SNAPSHOT_INDEX_DEFAULT
static String	PURGE_UPTO_SNAPSHOT_INDEX_KEY
static SizeInBytes	QUEUE_BYTE_LIMIT_DEFAULT
static String	QUEUE_BYTE_LIMIT_KEY
static int	QUEUE_ELEMENT_LIMIT_DEFAULT
static String	QUEUE_ELEMENT_LIMIT_KEY
static int	SEGMENT_CACHE_NUM_MAX_DEFAULT
static String	SEGMENT_CACHE_NUM_MAX_KEY Besides the open segment, the max number of segments caching log entries.
static SizeInBytes	SEGMENT_CACHE_SIZE_MAX_DEFAULT
static String	SEGMENT_CACHE_SIZE_MAX_KEY
static SizeInBytes	SEGMENT_SIZE_MAX_DEFAULT
static String	SEGMENT_SIZE_MAX_KEY
static boolean	UNSAFE_FLUSH_ENABLED_DEFAULT
static String	UNSAFE_FLUSH_ENABLED_KEY Unsafe-flush allow increasing flush index without waiting the actual flush to complete.
static boolean	USE_MEMORY_DEFAULT
static String	USE_MEMORY_KEY
static SizeInBytes	WRITE_BUFFER_SIZE_DEFAULT
static String	WRITE_BUFFER_SIZE_KEY

方法概要

限定符和类型	方法和说明
static boolean	asyncFlushEnabled(RaftProperties properties)
static RaftServerConfigKeys.Log.CorruptionPolicy	corruptionPolicy(RaftProperties properties)
static int	forceSyncNum(RaftProperties properties)
static boolean	logMetadataEnabled(RaftProperties properties)
static SizeInBytes	preallocatedSize(RaftProperties properties)
static int	purgeGap(RaftProperties properties)
static long	purgePreservationLogNum(RaftProperties properties)
static boolean	purgeUptoSnapshotIndex(RaftProperties properties)
static SizeInBytes	queueByteLimit(RaftProperties properties)
static int	queueElementLimit(RaftProperties properties)
static int	segmentCacheNumMax(RaftProperties properties)
static SizeInBytes	segmentCacheSizeMax(RaftProperties properties)
static SizeInBytes	segmentSizeMax(RaftProperties properties)
static void	setAsyncFlushEnabled(RaftProperties properties, boolean asyncFlush)
static void	setCorruptionPolicy(RaftProperties properties, RaftServerConfigKeys.Log.CorruptionPolicy corruptionPolicy)
static void	setForceSyncNum(RaftProperties properties, int forceSyncNum)
static void	setLogMetadataEnabled(RaftProperties properties, boolean logMetadata)
static void	setPreallocatedSize(RaftProperties properties, SizeInBytes preallocatedSize)
static void	setPurgeGap(RaftProperties properties, int purgeGap)
static void	setPurgePreservationLogNum(RaftProperties properties, long purgePreserveLogNum)
static void	setPurgeUptoSnapshotIndex(RaftProperties properties, boolean shouldPurgeUptoSnapshotIndex)
static void	setQueueByteLimit(RaftProperties properties, int queueSize) 已过时。
static void	setQueueByteLimit(RaftProperties properties, SizeInBytes byteLimit)
static void	setQueueElementLimit(RaftProperties properties, int queueSize)
static void	setSegmentCacheNumMax(RaftProperties properties, int maxCachedSegmentNum)
static void	setSegmentCacheSizeMax(RaftProperties properties, SizeInBytes maxCachedSegmentSize)
static void	setSegmentSizeMax(RaftProperties properties, SizeInBytes segmentSizeMax)
static void	setUnsafeFlushEnabled(RaftProperties properties, boolean unsafeFlush)
static void	setUseMemory(RaftProperties properties, boolean useMemory)
static void	setWriteBufferSize(RaftProperties properties, SizeInBytes writeBufferSize)
static boolean	unsafeFlushEnabled(RaftProperties properties)
static boolean	useMemory(RaftProperties properties)
static SizeInBytes	writeBufferSize(RaftProperties properties)

字段详细资料

PREFIX

static final String PREFIX

另请参阅:

常量字段值

USE_MEMORY_KEY

static final String USE_MEMORY_KEY

另请参阅:

常量字段值

USE_MEMORY_DEFAULT

static final boolean USE_MEMORY_DEFAULT

另请参阅:

常量字段值

QUEUE_ELEMENT_LIMIT_KEY

static final String QUEUE_ELEMENT_LIMIT_KEY

另请参阅:

常量字段值

QUEUE_ELEMENT_LIMIT_DEFAULT

static final int QUEUE_ELEMENT_LIMIT_DEFAULT

另请参阅:

常量字段值

QUEUE_BYTE_LIMIT_KEY

static final String QUEUE_BYTE_LIMIT_KEY

另请参阅:

常量字段值

QUEUE_BYTE_LIMIT_DEFAULT

static final SizeInBytes QUEUE_BYTE_LIMIT_DEFAULT

PURGE_GAP_KEY

static final String PURGE_GAP_KEY

另请参阅:

常量字段值

PURGE_GAP_DEFAULT

static final int PURGE_GAP_DEFAULT

另请参阅:

常量字段值

PURGE_UPTO_SNAPSHOT_INDEX_KEY

static final String PURGE_UPTO_SNAPSHOT_INDEX_KEY

另请参阅:

常量字段值

PURGE_UPTO_SNAPSHOT_INDEX_DEFAULT

static final boolean PURGE_UPTO_SNAPSHOT_INDEX_DEFAULT

另请参阅:

常量字段值

PURGE_PRESERVATION_LOG_NUM_KEY

static final String PURGE_PRESERVATION_LOG_NUM_KEY

另请参阅:

常量字段值

PURGE_PRESERVATION_LOG_NUM_DEFAULT

static final long PURGE_PRESERVATION_LOG_NUM_DEFAULT

另请参阅:

常量字段值

SEGMENT_SIZE_MAX_KEY

static final String SEGMENT_SIZE_MAX_KEY

另请参阅:

常量字段值

SEGMENT_SIZE_MAX_DEFAULT

static final SizeInBytes SEGMENT_SIZE_MAX_DEFAULT

SEGMENT_CACHE_NUM_MAX_KEY

static final String SEGMENT_CACHE_NUM_MAX_KEY

Besides the open segment, the max number of segments caching log entries.

另请参阅:

常量字段值

SEGMENT_CACHE_NUM_MAX_DEFAULT

static final int SEGMENT_CACHE_NUM_MAX_DEFAULT

另请参阅:

常量字段值

SEGMENT_CACHE_SIZE_MAX_KEY

static final String SEGMENT_CACHE_SIZE_MAX_KEY

另请参阅:

常量字段值

SEGMENT_CACHE_SIZE_MAX_DEFAULT

static final SizeInBytes SEGMENT_CACHE_SIZE_MAX_DEFAULT

PREALLOCATED_SIZE_KEY

static final String PREALLOCATED_SIZE_KEY

另请参阅:

常量字段值

PREALLOCATED_SIZE_DEFAULT

static final SizeInBytes PREALLOCATED_SIZE_DEFAULT

WRITE_BUFFER_SIZE_KEY

static final String WRITE_BUFFER_SIZE_KEY

另请参阅:

常量字段值

WRITE_BUFFER_SIZE_DEFAULT

static final SizeInBytes WRITE_BUFFER_SIZE_DEFAULT

FORCE_SYNC_NUM_KEY

static final String FORCE_SYNC_NUM_KEY

另请参阅:

常量字段值

FORCE_SYNC_NUM_DEFAULT

static final int FORCE_SYNC_NUM_DEFAULT

另请参阅:

常量字段值

UNSAFE_FLUSH_ENABLED_KEY

static final String UNSAFE_FLUSH_ENABLED_KEY

Unsafe-flush allow increasing flush index without waiting the actual flush to complete.

另请参阅:

常量字段值

UNSAFE_FLUSH_ENABLED_DEFAULT

static final boolean UNSAFE_FLUSH_ENABLED_DEFAULT

另请参阅:

常量字段值

ASYNC_FLUSH_ENABLED_KEY

static final String ASYNC_FLUSH_ENABLED_KEY

Async-flush will increase flush index until the actual flush has completed.

另请参阅:

常量字段值

ASYNC_FLUSH_ENABLED_DEFAULT

static final boolean ASYNC_FLUSH_ENABLED_DEFAULT

另请参阅:

常量字段值

LOG_METADATA_ENABLED_KEY

static final String LOG_METADATA_ENABLED_KEY

Log metadata can guarantee that a server can recover commit index and state machine even if a majority of servers are dead by consuming a little extra space.

另请参阅:

常量字段值

LOG_METADATA_ENABLED_DEFAULT

static final boolean LOG_METADATA_ENABLED_DEFAULT

另请参阅:

常量字段值

CORRUPTION_POLICY_KEY

static final String CORRUPTION_POLICY_KEY

另请参阅:

常量字段值

CORRUPTION_POLICY_DEFAULT

static final RaftServerConfigKeys.Log.CorruptionPolicy CORRUPTION_POLICY_DEFAULT

方法详细资料

useMemory

static boolean useMemory(RaftProperties properties)

setUseMemory

static void setUseMemory(RaftProperties properties,
                         boolean useMemory)

queueElementLimit

static int queueElementLimit(RaftProperties properties)

setQueueElementLimit

static void setQueueElementLimit(RaftProperties properties,
                                 int queueSize)

queueByteLimit

static SizeInBytes queueByteLimit(RaftProperties properties)

setQueueByteLimit

@Deprecated
static void setQueueByteLimit(RaftProperties properties,
                                          int queueSize)

已过时。

setQueueByteLimit

static void setQueueByteLimit(RaftProperties properties,
                              SizeInBytes byteLimit)

purgeGap

static int purgeGap(RaftProperties properties)

setPurgeGap

static void setPurgeGap(RaftProperties properties,
                        int purgeGap)

purgeUptoSnapshotIndex

static boolean purgeUptoSnapshotIndex(RaftProperties properties)

setPurgeUptoSnapshotIndex

static void setPurgeUptoSnapshotIndex(RaftProperties properties,
                                      boolean shouldPurgeUptoSnapshotIndex)

purgePreservationLogNum

static long purgePreservationLogNum(RaftProperties properties)

setPurgePreservationLogNum

static void setPurgePreservationLogNum(RaftProperties properties,
                                       long purgePreserveLogNum)

segmentSizeMax

static SizeInBytes segmentSizeMax(RaftProperties properties)

setSegmentSizeMax

static void setSegmentSizeMax(RaftProperties properties,
                              SizeInBytes segmentSizeMax)

segmentCacheNumMax

static int segmentCacheNumMax(RaftProperties properties)

setSegmentCacheNumMax

static void setSegmentCacheNumMax(RaftProperties properties,
                                  int maxCachedSegmentNum)

segmentCacheSizeMax

static SizeInBytes segmentCacheSizeMax(RaftProperties properties)

setSegmentCacheSizeMax

static void setSegmentCacheSizeMax(RaftProperties properties,
                                   SizeInBytes maxCachedSegmentSize)

preallocatedSize

static SizeInBytes preallocatedSize(RaftProperties properties)

setPreallocatedSize

static void setPreallocatedSize(RaftProperties properties,
                                SizeInBytes preallocatedSize)

writeBufferSize

static SizeInBytes writeBufferSize(RaftProperties properties)

setWriteBufferSize

static void setWriteBufferSize(RaftProperties properties,
                               SizeInBytes writeBufferSize)

forceSyncNum

static int forceSyncNum(RaftProperties properties)

setForceSyncNum

static void setForceSyncNum(RaftProperties properties,
                            int forceSyncNum)

unsafeFlushEnabled

static boolean unsafeFlushEnabled(RaftProperties properties)

setUnsafeFlushEnabled

static void setUnsafeFlushEnabled(RaftProperties properties,
                                  boolean unsafeFlush)

asyncFlushEnabled

static boolean asyncFlushEnabled(RaftProperties properties)

setAsyncFlushEnabled

static void setAsyncFlushEnabled(RaftProperties properties,
                                 boolean asyncFlush)

logMetadataEnabled

static boolean logMetadataEnabled(RaftProperties properties)

setLogMetadataEnabled

static void setLogMetadataEnabled(RaftProperties properties,
                                  boolean logMetadata)

corruptionPolicy

static RaftServerConfigKeys.Log.CorruptionPolicy corruptionPolicy(RaftProperties properties)

setCorruptionPolicy

static void setCorruptionPolicy(RaftProperties properties,
                                RaftServerConfigKeys.Log.CorruptionPolicy corruptionPolicy)